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Reconfigurable Intelligent Surface-Aided 6G Massive Access: Coupled Tensor Modeling and Sparse Bayesian Learning



Xiaodan Shao , Lei Cheng , Xiaoming Chen , Chongwen Huang , Derrick Wing Kwan Ng

* Accepted by IEEE Transactions on Wireless Communications. arXiv admin note: text overlap with arXiv:2108.11123 

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Safeguarding NOMA Networks via Reconfigurable Dual-Functional Surface under Imperfect CSI



Wen Wang , Wanli Ni , Hui Tian , Zhaohui Yang , Chongwen Huang , Kai-Kit Wong

* IEEE Journal of Selected Topics in Signal Processing, 2022 
* This paper has been accepted by the IEEE Journal of Selected Topics in Signal Processing 

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Deep Reinforcement Learning Based on Location-Aware Imitation Environment for RIS-Aided mmWave MIMO Systems



Wangyang Xu , Jiancheng An , Chongwen Huang , Lu Gan , Chau Yuen

* 14 pages, 4 figures 

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Pervasive Machine Learning for Smart Radio Environments Enabled by Reconfigurable Intelligent Surfaces



George C. Alexandropoulos , Kyriakos Stylianopoulos , Chongwen Huang , Chau Yuen , Mehdi Bennis , Mérouane Debbah

* 30 pages, 11 figures; to appear in IEEE Proceedings 

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Reconfigurable Intelligent Surfaces for Wireless Communications: Overview of Hardware Designs, Channel Models, and Estimation Techniques



Mengnan Jian , George C. Alexandropoulos , Ertugrul Basar , Chongwen Huang , Ruiqi Liu , Yuanwei Liu , Chau Yuen

* 19 pages, 7 figures, to appear in an ITU journal 

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Deep Contextual Bandits for Orchestrating Multi-User MISO Systems with Multiple RISs



Kyriakos Stylianopoulos , George Alexandropoulos , Chongwen Huang , Chau Yuen , Mehdi Bennis , and Mérouane Debbah

* 6 pages, 4 figures, to be presented in IEEE ICC 2022 

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RIS-Aided Wireless Communications: Extra Degrees of Freedom via Rotation and Location Optimization



Yajun Cheng , Wei Peng , Chongwen Huang , George C. Alexandropoulos , Chau Yuen , Mérouane Debbah


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Electromagnetic Effective Degree of Freedom of a MIMO System in Free Space



Shuai S. A. Yuan , Zi He , Xiaoming Chen , Chongwen Huang , Wei E. I. Sha

* IEEE Antennas and Wireless Propagation Letters, 2021 
* 5 pages, 5 figures 

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Efficient Channel Estimation for RIS-Aided MIMO Communications with Unitary Approximate Message Passing



Yabo Guo , Peng Sun , Zhengdao Yuan , Chongwen Huang , Qinghua Guo , Zhongyong Wang , Chau Yuen


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